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Equipment Repairs => LCD TV forum => Topic started by: mzone on January 23, 2011,09:48:36

Title: samsung lcd picture loss.
Post by: mzone on January 23, 2011,09:48:36

got a samsung lcd LE46M87BD set comes on and shows picture for about 1 second then picture goes black.

the symptoms repeat if you switch off then back on again.

i have replaced both left/right invertor blocks and checked power supply levels and these seem ok.

i have noticed the back lights flicker before the picture goes off and i can hear a quiet buzzing sound.

has anyone came across this problem?

thanks

Title: Re: samsung lcd picture loss.
Post by: sparky on January 23, 2011,11:51:57

hi
if you can split screen check the connections to the ccfl
bad connection
dave

Title: Re: samsung lcd picture loss.
Post by: pol-uk on January 31, 2011,11:54:32

In those models are CCFL tubes problem. Regards